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This article is a revision of the previous edition article by E.L. Deci, volume 11, pp. 7886–7888, © 2001, Elsevier Ltd.

In this article we suggest that events and contexts relevant to the initiation and regulation of intentional behavior can function either to support autonomy (i.e., to promote choice) or to control behavior (i.e., to pressure one toward specific outcomes). Research herein reviewed indicates that this distinction is relevant to specific external events and to general interpersonal contexts as well as to specific internal events and to general personality orientations. That is, the distinction is relevant whether one's analysis focuses on social psychological variables or on personality variables. The research review details those contextual and person factors that tend to promote autonomy and those that tend to control. Furthermore, it shows that autonomy support has generally been associated with more intrinsic motivation, greater interest, less pressure and tension, more creativity, more cognitive flexibility, better conceptual learning, a more positive emotional tone, higher self-esteem, more trust, greater persistence of behavior change, and better physical and psychological health than has control. Also, these results have converged across different assessment procedures, different research methods, and different subject populations. On the basis of these results, we present an organismic perspective in which we argue that the regulation of intentional behavior varies along a continuum from autonomous (i.e., self-determined) to controlled. The relation of this organismic perspective to historical developments in empirical psychology is discussed, with a particular emphasis on its implications for the study of social psychology and personality.

No abstract is provided for this article.

▪ Abstract Well-being is a complex construct that concerns optimal experience and functioning. Current research on well-being has been derived from two general perspectives: the hedonic approach, which focuses on happiness and defines well-being in terms of pleasure attainment and pain avoidance; and the eudaimonic approach, which focuses on meaning and self-realization and defines well-being in terms of the degree to which a person is fully functioning. These two views have given rise to different research foci and a body of knowledge that is in some areas divergent and in others complementary. New methodological developments concerning multilevel modeling and construct comparisons are also allowing researchers to formulate new questions for the field. This review considers research from both perspectives concerning the nature of well-being, its antecedents, and its stability across time and culture.

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Self-determination theory was applied to explore the motivational basis of adherence to long-term medication prescriptions. Adult outpatients with various diagnoses who had been on a medication for at least 1 month and expected to continue (a) completed questionnaires that assessed their autonomous regulation, other motivation variables, and perceptions of their physicians' support of their autonomy by hearing their concerns and offering choice; (b) provided subjective ratings of their adherence and a 2-day retrospective pill count during an interview with a clinical psychologist; and (c) provided a 14-day prospective pill count during a subsequent, brief telephone survey. LISREL analyses supported the self-determination model for adherence by confirming that patients' autonomous motivation for adherence did mediate the relation between patients' perceptions of their physicians' autonomy support and their own medication adherence.

This study uses Self-Determination Theory as a theoretical framework to test the hypotheses that students self-reports of their motivational regulations would predict teachers' perception of students' motivational regulations, even after controlling for performance. An additional aim was to test a process model in which students' perceived autonomy support from teachers would positively predict students' need satisfaction, which would positively predict students' self-report of autonomous motivation and teachers' perceptions of students' autonomous motivation, which both in turn would positively predict students' participation in Physical education. Results from regression analyses and multilevel modeling showed that teachers' and students' ratings of the students' motivation were congruent only for intrinsic and identified regulation. Structural equation model results supported the process model just specified above.

No abstract is provided for this article.

Self-determination theory (SDT) assumes that inherent in human nature is the propensity to be curious about one's environment and interested in learning and developing one's knowledge. All too often, however, educators introduce external controls into learning climates, which can undermine the sense of relatedness between teachers and students, and stifle the natural, volitional processes involved in high-quality learning. This article presents an overview of SDT and reviews its applications to educational practice. A large corpus of empirical evidence based on SDT suggests that both intrinsic motivation and autonomous types of extrinsic motivation are conducive to engagement and optimal learning in educational contexts. In addition, evidence suggests that teachers' support of students' basic psychological needs for autonomy, competence, and relatedness facilitates students' autonomous self-regulation for learning, academic performance, and well-being. Accordingly, SDT has strong implications for both classroom practice and educational reform policies.

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Caring for a spouse with cancer can be challenging on many levels. How caregivers adjust to this challenge may be influenced both by their personal orientation to the relationship and by their motives for providing care. In this study we examined the prediction of caregiver well-being from the relationship qualities specified by attachment theory and from motives specified by self-determination theory.Cross-sectional data reported here are from the American Cancer Society's Quality of Life Survey for Caregivers.Three measures were included as indicators of the caregiver's psychological adjustment: benefit finding in cancer caregiving experience, life satisfaction, and depressive symptoms.In structural equation models, among both husband (n = 154) and wife (n = 160) caregivers, attachment security (assessed with respect to the spouse) related positively to autonomous motives for and finding benefit in caregiving; attachment anxiety related to introjected motives for caregiving and more depression. Among husbands (but not wives), autonomous motives also related to less depression, and introjected motives related to less life satisfaction and more depression. Among wives (but not husbands), autonomous motives related to greater benefit finding.Variations in attachment orientations and in reasons for providing care are important elements in understanding the psychological well-being of cancer caregivers.

No abstract is provided for this article.

Despite many recent technical breakthroughs in health care, human behaviour remains the largest source of variance in health-related outcomes (Schroeder, 2007). People’s health and well-being are robustly affected by lifestyle factors such as smoking, hygiene, diet, and physical activity, all of which involve behaviours that are potentially controllable by the individual. In addition, outside of acute care settings, the effectiveness of most health care interventions is highly dependent on the patient’s adherence to self-care activities such as taking medications, performing self-examinations, or refraining from specific activities or habits. A significant problem is the poor adherence to prescribed changes or recommended behaviours over time.